# Pipe Flow Wizard vs HydroCalc Basic

The clearest difference is update cadence: HydroCalc Basic at every 11 days against Pipe Flow Wizard's every 2 months. Pipe Flow Wizard's advantage is iOS requirement (11.0 vs 15.1). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Pipe Flow Wizard sells 3 in-app purchases, starting at $9.99 per month and HydroCalc Basic sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Pipe Flow Wizard ships an update every 2 months, HydroCalc Basic every 11 days. The most recent releases landed on October 9, 2026 and October 4, 2026 respectively.

## The numbers

| Metric | Pipe Flow Wizard | HydroCalc Basic |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (102 ratings)](https://appshunter.io/ios/app/pipe-flow-wizard-calculator/id1346589732/reviews)** | — |
| Number of ratings | **102** | — |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 11 days** |
| Monetization | Free with in-app purchases | — |
| Size | 73 MB | 35 MB |
| Requires iOS | **11.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Pipe Flow Software](https://appshunter.io/developer/1193064957) | [Transparent Blue Water LLC](https://appshunter.io/developer/1847968351) |

## What reviewers say

### Pipe Flow Wizard

[App page](https://appshunter.io/ios/app/pipe-flow-wizard-calculator/id1346589732)

Calculate fluid flow rate and pressure loss in pipes. This app helps engineers determine pipe diameter, maximum pipe length, and friction loss for both liquid and gas flows, including fittings and elevation changes. Results can be shared as Excel or PDF reports.

**Highlights:** Flow rate calculations, Pressure loss calculations, Pipe diameter sizing, Maximum pipe length calculation, Liquid and gas flow support, Customizable material, fluid, and fitting databases, Imperial and metric unit support, Excel and PDF report generation

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pipe Flow Wizard - 1M | $9.99 | per month |
| Pipe Flow Wizard - 1Y | $19.99 | per year |
| Pipe Flow Wizard - 3M | $20.49 | per 3 months |


### HydroCalc Basic

[App page](https://appshunter.io/ios/app/hydrocalc-basic/id6752577110)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium - Flow Units & Ad-Free | $1.99 | one-time |


## Frequently asked questions

### Is Pipe Flow Wizard free?

Pipe Flow Wizard is free to download, with in-app purchases available.

### Is HydroCalc Basic free?

HydroCalc Basic is free to download, with in-app purchases available.

### Do Pipe Flow Wizard or HydroCalc Basic have ads?

Neither Pipe Flow Wizard nor HydroCalc Basic shows ads.

### Which is updated more often, Pipe Flow Wizard or HydroCalc Basic?

Pipe Flow Wizard ships an update every 2 months, and HydroCalc Basic every 11 days. Most recently, Pipe Flow Wizard was updated on October 9, 2026 and HydroCalc Basic on October 4, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*